How do I add a single item to a Pandas Series instance?
I'm looking for code along the lines of
>>> x = Series()
>>> N = 4
>>> for i in xrange(N):
>>> x.some_appending_function(i**2)
>>> print(x)
0 | 0
1 | 1
2 | 4
3 | 9
Similarly, how can i add a single row to a Pandas DataFrame?